And perhaps not quite so dramatically, he hopes TV audiences will again be paying attention as he pitches his latest venture, Wall Rx, a home-improvement product he invented for quickly, easily and inexpensively fixing small holes in drywall.

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But unlike many of the budding entrepreneurs pitching gadgets to market capitalists on “Shark Tank,” Lewis has a product that is already on the market and sold in all 1,700 Lowe’s home improvement stores. In an interview Monday, Lewis said about 90,000 of his Wall Rx kits have been sold in its first year of availability.

“It’s a very big deal getting a product into Lowe’s,” Lewis said. “It’s very difficult to do. It took about six to eight months to get through all the guidelines and rules and paperwork to get the product onto their shelves.”

Lewis said his eureka moment for Wall Rx came during the Christmas season about three years ago when he accidentally poked a hole in a wall while decorating his house for the holidays. When he got the repair bill and learned the fix cost him $250, he decided there had to be a better way.

After some tinkering, he created a complete drywall repair kit that comes with everything needed to complete the job in three steps with no mess: a clear disc, a frame with compound, and sandpaper. No other tools, special skills or additional costs are required.

Wall Rx is a manufactured in the U.S. and retails for under $10. It is available in four single-sized kits covering damage as small as 1 inch to as large as 4 inches as well as a multi-kit that can be used to repair up to four holes. The frame with compound looks like a large square bandage and is applied to the wall in much the same way.

Although Lewis drew upon his years of medical training to invent Wall Rx, he said he lacked the business experience to get his invention to market.

Soon after devising a prototype, Lewis said, he approached an engineer friend of his who knew how to draw diagrams of a product for the patent office.

“When I showed him what I had made, he said, “Jeez, you’ve got to get this thing patented,” Lewis said.

So he visited his attorney, who in turn directed him to the law offices of Jerry Miraglia, a partner at Connolly Gallagher in Wilmington, Del. Miraglia and his team eagerly assisted Lewis with the various steps needed to get this new product off the ground by arranging meetings with potential investors and vendors.

“They were fantastic,” Lewis said. “I didn’t think law firms like this existed; I didn’t think people like this existed.”

“I knew this product was a rare and profitable business idea from the moment I met Dr. Lewis just three years ago,” Miraglia wrote in a release. “Since then and through our unique relationship, Wall Rx has gained significant traction in the national home improvement space, most notably on the shelves of one of our country’s top retailers, Lowe’s. We’re thrilled to work alongside Dr. Lewis on this journey, which is hopefully just beginning.”

And the law firm encouraged Lewis to audition for “Shark Tank,” which had a crew auditioning entrepreneurs in Philadelphia.

“I was sitting at home doing my work when I got a call from the law firm,” Lewis recalled. “And they said ‘Shark Tank’ is going to be in town interviewing people, why don’t you try out for the show. They said that when people see this product, they’ve got to have it.

“So I got up at 3:30 in the morning, went downtown and waited in the rain with thousands of other people, all waiting to show off their inventions. The auditions started about 6:30. They took about 500, and I was No. 165.

“I was surrounded by inventors with the same mind-set, some with some really good products. And everyone I met asked me if I had an extra sample of my product. I’m telling you, if I had a million of ’em, I could have sold them all then and there.”

After about eight hours of watching would-be contestants going in and out, Lewis finally had his chance to demonstrate his product to the production crew for the show. They were receptive, and the four-month process of preparation for his big pitch on TV began. He said the producers are very thorough, but he could not divulge much of what happened because of confidentiality agreements he has with the show. He said the show with his pitch was taped in mid-September in Culver City, Los Angeles County.

“I can’t say too much, but you would not believe what goes into making this show,” Lewis said. “They help you with everything — they go over your lines and help you develop your pitch. There’s months and months spent on every episode.”

And the stars of the show are the various tycoons who decide whether to invest in the entrepreneurs and their products. They are billionaire Mark Cuban, owner and chairman of AXS TV and outspoken owner of the 2011 NBA champion Dallas Mavericks; real estate mogul Barbara Corcoran; “Queen of QVC” Lori Greiner; technology innovator Robert Herjavec; fashion and branding expert Daymond John; and venture capitalist Kevin O’Leary.

“They are larger than life, and they deserve it,” Lewis said. “I never would have thought this would have happened.”

Critically acclaimed, “Shark Tank” received a nomination for a Producers Guild Award in 2013. In 2012, “Shark Tank” received an Emmy nomination for Outstanding Reality Program and a nomination for a Critics’ Choice Television Award for Best Reality Series.

“I was looking for three things that everyone who goes on the show is looking for,” Lewis said. “Investors, exposure and knowledge. Our goal is to get more people to know about our product.”